Browse free open source Design software and projects below. Use the toggles on the left to filter open source Design software by OS, license, language, programming language, and project status.

  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

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  • 1
    Penpot

    Penpot

    The first open source design and prototyping tool

    Penpot is the first open-source design and prototyping platform for product teams that allows true collaboration between designers and developers. What will designers and developers find in Penpot? - Powerful UI tool for the team. All stakeholders can access a complete set of interactive prototypes, design systems, components, feedback loop and pixel designs. - Design and development collaborate for real. Penpot brings both code-ready design capabilities and the familiarity of developer tools to the same workspace. - Open Standards for the design work. This means zero vendor lock-in and high interoperability. - Unique Flex Layout that allows you to create flexible designs that can adapt automatically
    Downloads: 92 This Week
    Last Update:
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  • 2
    DB Designer Fork
    DB Designer Fork is a fork of the fabFORCE DBDesigner 4. It integrates entity relationship design,front-end (you can run queries) and SQL exporting.DB Designer Fork generates SQL scripts for Oracle, SQL Server, MySQL, FireBird, SQLite and PostgreSQL.
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    Downloads: 229 This Week
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  • 3
    A C++ library of designs, containing flexible implementations of common design patterns and idioms.
    Downloads: 44 This Week
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  • 4
    Qfsm

    Qfsm

    A graphical Finite State Machine (FSM) designer.

    A graphical tool for designing finite state machines and exporting them to Hardware Description Languages, such as VHDL, AHDL, Verilog, or Ragel/SMC files for C, C++, Objective-C, Java, Python, PHP, Perl, Lua code generation.
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    Downloads: 12 This Week
    Last Update:
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  • Build Securely on AWS with Proven Frameworks Icon
    Build Securely on AWS with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
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  • 5
    Groove
    NOTE: The GROOVE codebase has moved to https://github.com/nl-utwente-groove
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    Downloads: 16 This Week
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  • 6
    crystal-facet-uml

    crystal-facet-uml

    Create consistent Uml diagrams

    As software architect, you create a set of diagrams describing use-cases, requirements, structural views, behavioral and deployment views. crystal_facet_uml keeps element names and element hierarchies consistent. It exports diagrams in svg, pdf, ps and png formats to be used in text processing systems like docbook, html, latex. This tool runs on your local PC and is based on glib, gdk, gtk, cairo, pango, sqlite.
    Downloads: 22 This Week
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  • 7
    Dependency Finder
    Extracts dependencies and OO metrics from Java class files produced by most Java compilers. Computes API differences between versions. No source needed. Includes both Swing and command-line interfaces, with XSL stylesheets for formatting output.
    Downloads: 39 This Week
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  • 8
    edit Delphi Form files (DFM); Supporting Text and binary forms; Preview can handle unknown controls/properties; betas: http://www.fw-web.de/dfmedit_beta.php
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    Downloads: 21 This Week
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  • 9
    EasyStruts provide advanced support for developing Struts web applications with Eclipse . keywords: MVC, Struts, Eclipse, Java
    Downloads: 11 This Week
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  • Keep company data safe with Chrome Enterprise Icon
    Keep company data safe with Chrome Enterprise

    Protect your business with AI policies and data loss prevention in the browser

    Make AI work your way with Chrome Enterprise. Block unapproved sites and set custom data controls that align with your company's policies.
    Download Chrome
  • 10
    Window Object is a Library for windowed programming in Free Pascal Compiler under Win32 and GTK. The library include a resource Designer (IDE).
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    Downloads: 7 This Week
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  • 11
    TTFviewer

    TTFviewer

    TTFviewer is a small tool for developers to preview ttf font/icon file

    TTFviewer is a small tool for developers to view and preview various ttf font/icon image formats. It is based on Qt and supports windows/linux/macos.
    Downloads: 12 This Week
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  • 12
    An ActiveX component (developed with Visual Basic 6.0) to use XP-style unicode controls for your VB applications : - 13 different graphical controls : ProgressBar, ListBox, TextBox... - 3 other usefull controls : SysTray, Timer, MouseKeyEvents.
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    Downloads: 10 This Week
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  • 13
    yunus and my other projects
    Yunus is a simple "visual" script language. Yunus is obsolete (left in 2004). However this site exhibits many projects; you will find my other "PHP, VS.NET, Flash, Delphi" projects. eOgr is my second complete application after Yunus.
    Downloads: 2 This Week
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  • 14
    Tadpole DB Hub

    Tadpole DB Hub

    Web based Database collboration tools

    Original home : https://github.com/hangum/TadpoleForDBTools It is a tool to manage Altibase, Amazon RDS, Apache Hive,Apache Cassandra, Apache Tajo, MongoDB, CUBRID, MariaDB, MySQL, Oracle, MSSQL, SQLite, Tibero, PostgreSQL in Web Browser.
    Downloads: 5 This Week
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  • 15
    Ruler for windows

    Ruler for windows

    Measure, inspect and test tool.

    Ruler is a lightweight tool for Windows. It allows you to measure the size and distance between elements on the screen in pixels.
    Downloads: 3 This Week
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  • 16
    ConceptBase.cc

    ConceptBase.cc

    A Database System for Metamodeling and Method Engineering

    ConceptBase.cc is a multi-user deductive and object-oriented database system for metamodeling and method engineering. Includes a graphical client that builds upon the logic-based features of the ConceptBase.cc server. The data model is O-Telos. ConceptBase.cc can represent information at the data level (example data, traces of process executions etc.), the class level (schemas, process definitions etc.), the metaclass level (constructs of modeling languages), the meta-metaclass level (constructs for defining modeling languages), and so forth. ConceptBase.cc is developed by the ConceptBase Team at University of Skövde (HIS). ConceptBase.cc supports Linux, Mac OS X and Windows. ConceptBase.cc is free software distributed under a FreeBSD-style license.
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    Downloads: 7 This Week
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  • 17
    pgDesigner is a Datamodel designer for PostgreSQL written in Gambas language.
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    Downloads: 2 This Week
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  • 18
    Merucav

    Merucav

    An advanced gradient design and editing tool.

    An advanced gradient design and editing tool made using Firebase Studio, Next.js, and Perplexity. Live app: https://merucav.netlify.app/ GitHub repository: https://github.com/Northstrix/merucav This app is built on top of https://nofpg.netlify.app and http://noegarsoux.github.io/GradientGen/ The app is fully localized into: ✅ English ✅ Hebrew ✅ Italian ✅ Latin American Spanish ✅ Brazilian Portuguese ✅ Cantonese ✅ Japanese ✅ Korean ✅ Vietnamese ✅ Polish ✅ Czech ✅ Hungarian ✅ French ✅ German ✅ Dutch
    Downloads: 5 This Week
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  • 19
    HiPS : Hierarchical Petri net Simulator

    HiPS : Hierarchical Petri net Simulator

    HiPS tool features to design and analyze hierarchical Petri nets

    HiPS tool is developed at the Department of Computer Science and Engineering, Shinshu University, which is a tool design and analysis of Petri nets, developed using Microsoft Visual C # and C++. HiPS tool has a way of intuitive GUI which enable hierarchical and/or timed-net design. HiPS tool has also functions of static/dynamic analysis : T-invariant detection, Reachability path analysis, deadlock state detection, and k-boundedness analysis. In addition, it is possible to perform a random walk simulation with each firing steps.
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    Downloads: 4 This Week
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  • 20
    ClassBuilder is freeware CASE tool targeted at the C++ developer, running on Win2K/XP/Vista/7. It lets you create, manipulate and navigate classes, class relations, class members and class methods at a high level of abstraction through a graphical user interface
    Downloads: 2 This Week
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  • 21
    ImaGC

    ImaGC

    image editor

    an easy way to personalize images.
    Downloads: 2 This Week
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  • 22
    JavaStructurizer

    JavaStructurizer

    NSD graphical editor, for Java development and rev-engineering

    The program JStruct (JavaStructurizer) allows creation, editing and reverse engineering of Java code using structured blocks (NSD: Nassi-Shneiderman Diagrams ). JStruct provides an interactive graphical editor with copy, move, zoom, expand etc. Comments for each block ( javadoc and inline ), import and export of java source files. JStruct exports images in various raster and vector formats, and it offers high interactivity: tooltips and context menus, undo and redo functionality in a very intuitive GUI. Usages: - Development and Learning: create from scratch a new Java program, - Reverse engineering: the block structure facilitates the understanding of the code. - Documentation: NSD images can be added to javadoc. - Add-on tool: JStruct can be added to an IDE (eg JCreator ) - Java Pretty printer: to import then export a java file formats the code.
    Downloads: 2 This Week
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  • 23
    kodeWeave

    kodeWeave

    HTML/CSS/JS and Markdown Playground For Web Designers and Developers

    kodeWeave is a realtime coding playground for HTML, CSS and Javascript. Similar to JSFiddle and JSBin, but kodeWeave was made to work offline but also as a prototyping application to build applications for desktop operating systems while on mobile devices. (PhoneGap Build is recommended for mobile devices) kodeWeave similar to jsfiddle, jsbin, dabblet, liveweave, codepen, cssdeck, cssdesk, tinkerbin, d3 playground, plunker and pastebin, but allows you to export your web app as a desktop and/or chrome application.
    Downloads: 2 This Week
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  • 24
    Structorizer
    Structorizer is a little tool which you can use to create Nassi-Schneiderman Diagrams (NSD). Stuctorizer is written in Java and free for any use. The code has been moved to Github: https://github.com/fesch/Structorizer.Desktop
    Downloads: 1 This Week
    Last Update:
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  • 25
    Basic WebPage Builder

    Basic WebPage Builder

    Drag and Drop basic webpage builder

    Drag and Drop basic webpage and website builder Icon by http://www.kameleon.pics ====== Get your Simple Wysiwyg HTML Editor on Play Store: https://play.google.com/store/apps/details?id=com.ulm.simplehtmleditor ====== Extended release: - Chrome extension: - https://chrome.google.com/webstore/detail/boot-wysiwyg/gjmamibgdidamicoandlflamngdmmeig ====== Desktop app built using Electron framework and NodeJS. ==== Official download also on Softpedia® - https://bit.ly/2AGwc7a ==== Requirements: - Processor: Intel Pentium 4 processor or later that's SSE2 capable - RAM: 512 MB - Hard Disk: 1500 MB - Video Card: nVidia, ATI and Intel Shader Model 2 and Shader Model 3 video cards with 512 megabytes of RAM minimum - Supported OS: Windows 10, Windows 8, Windows 8.1, Windows 7
    Downloads: 2 This Week
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